25451304371 has 2 divisors, whose sum is σ = 25451304372. Its totient is φ = 25451304370.

The previous prime is 25451304349. The next prime is 25451304379. The reversal of 25451304371 is 17340315452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25451304371 is a prime.

It is not a weakly prime, because it can be changed into another prime (25451304379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725652185 + 12725652186.

It is an arithmetic number, because the mean of its divisors is an integer number (12725652186).

Almost surely, 2^25451304371 is an apocalyptic number.

25451304371 is a deficient number, since it is larger than the sum of its proper divisors (1).

25451304371 is an equidigital number, since it uses as much as digits as its factorization.

25451304371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 25451304371 in words is "twenty-five billion, four hundred fifty-one million, three hundred four thousand, three hundred seventy-one".